CN206887028U - Material copyrolysis reaction system - Google Patents
Material copyrolysis reaction system Download PDFInfo
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- CN206887028U CN206887028U CN201720754832.1U CN201720754832U CN206887028U CN 206887028 U CN206887028 U CN 206887028U CN 201720754832 U CN201720754832 U CN 201720754832U CN 206887028 U CN206887028 U CN 206887028U
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Abstract
The utility model discloses material copyrolysis reaction system.Material copyrolysis reaction system includes：First drier；Second drier；Pyrolysis reactor, pyrolysis reactor include：Burner hearth, burner hearth includes upper furnace and lower hearth, upper furnace is located at the top of lower hearth and connected with lower hearth, the side wall of upper furnace is provided with enterprising material mouth and upper oil gas vent, the side wall of lower hearth is provided with lower charging aperture, lower oil gas vent and slag-drip opening, and the second feed arrangement is provided between the outlet of lower charging aperture and the second drier；For the heater heated to the lignite in upper furnace；Batch mixer, batch mixer is fixed to lower hearth and the batch mixing part of batch mixer is located in lower hearth；Gas-solid separating device, gas-solid separating device are connected with upper oil gas vent and lower oil gas vent；Collection device；Cooling device.It is simple in construction, pyrolytic process is simple according to material copyrolysis reaction system of the present utility model, improve the quality and calorific value of pyrolysis oil gas.
Description
Technical field
Pyrolytic technique field is the utility model is related to, more particularly, to a kind of material copyrolysis reaction system.
Background technology
In correlation technique, the technological process complex operations link of oil shale pyrolysis is more, and operating cost is high, it is difficult to transports for a long time
OK, and pyrolysis plant is huge, complicated expensive, maintenance difficult.
In particular, the pyrolysis plant using gas as heat carrier, the pyrolysis gas that the easy heat of dilution solves, gas calorific value and product are pyrolyzed
Matter is low, and very high to the granularity requirements of coal as the pyrolytic process of heat carrier using gas, need to use the especially thin fine coal of granularity, increase
The pretreatment procedure of coal is added, the thin char particle after pyrolysis is difficult with tar separation, reduces the quality of tar.
Utility model content
The utility model is intended to one of technical problem at least solving in correlation technique to a certain extent.Therefore, this reality
With a kind of material copyrolysis reaction system of new proposition, the sensible heat of the hot organic carbon after being pyrolyzed using lignite sends out oil shale
Raw pyrolytic reaction, so as to which the pyrolysis of lignite and the pyrolysis of oil shale are integrated in a material copyrolysis reaction system, so
Not only technique is simple, reduces operating cost, and the calorific value for the pyrolysis gas being pyrolyzed out and quality are higher.
According to the material copyrolysis reaction system of the utility model embodiment, including：First for drying brown coal dries
Device；For drying the second drier of oil shale；Pyrolysis reactor, the pyrolysis reactor include：Burner hearth, the burner hearth include
Upper furnace and lower hearth, the upper furnace are located at the top of the lower hearth and connected with the lower hearth, the upper furnace
Side wall is provided with enterprising material mouth and upper oil gas vent, and first is provided between the outlet of the enterprising material mouth and first drier
Feed arrangement, the side wall of the lower hearth are provided with lower charging aperture, lower oil gas vent and slag-drip opening, the lower charging aperture and described
The second feed arrangement is provided between the outlet of second drier；For the heating heated to the lignite in the upper furnace
Device；Batch mixer, the batch mixer is fixed to the lower hearth and the batch mixing part of the batch mixer is located in the lower hearth；Gas
Solid separation device, the gas-solid separating device are connected with the upper oil gas vent and the lower oil gas vent；Collection device, it is described
Dust removal port of the import of collection device respectively with the slag-drip opening and the gas-solid separating device is connected；Cooling device, it is described cold
But device is connected with the gas outlet of the gas-solid separating device.
According to the material copyrolysis reaction system of the utility model embodiment, by setting the first drier, second to dry
Device and pyrolysis reactor, and the first feed arrangement is set between the outlet of enterprising material mouth and the first drier, in lower charging aperture
And second drier outlet between the second feed arrangement is set, so as to which dried lignite can be in the conveying of the first feed arrangement
Under enter in upper furnace and be pyrolyzed, dried oil shale can enter lower hearth under the conveying of the second feed arrangement
Interior, because upper furnace is located at the top of lower hearth and is connected with lower hearth, so, lignite is caused after being pyrolyzed in upper furnace 1
Hot organic carbon can be fallen into lower hearth, so as to the oil shale in lower hearth can under the stirring of batch mixer with hot organic carbon
It is sufficiently mixed and the sensible heat of itself is pyrolyzed using hot organic carbon, without external heat source, substantially reduces system energy consumption, and
The structure of material copyrolysis reaction system is simple, is easy to repair, while pyrolytic process is simple, reduces operating cost, improves
It is pyrolyzed the quality and calorific value of oil gas.
According to some embodiments of the utility model, aspirator, the aspirator are provided with the lower oil gas vent
For the mixed gas in the pyrolysis reactor to be evacuated into the gas-solid separating device.
According to some embodiments of the utility model, the gas-solid separating device includes the first cyclone separator and the second rotation
Wind separator, first cyclone separator are connected with the upper oil gas vent and lower oil gas vent to enter to the mixed gas
Row first time gas solid separation, second cyclone separator are connected with the outlet of first cyclone separator.
According to some embodiments of the utility model, pass through the 3rd between the import of the slag-drip opening and the collection device
Feed arrangement is connected.
According to some embodiments of the utility model, first feed arrangement and second feed arrangement are spiral
Feeder.
According to some embodiments of the utility model, the heater is multiple, and each heater is described to be located at
Heat accumulation type radiant tube heater in upper furnace.
According to some embodiments of the utility model, material copyrolysis reaction system also includes fractionating column, the fractionating column
Import be connected with the oil export of the cooling device.
According to some embodiments of the utility model, the value of angle between the central axis and horizontal plane of the lower hearth
Scope is 10 ° -60 °.
According to some embodiments of the utility model, the length of the length of the upper furnace and the lower hearth than value
Scope is 1:1~3:2.
Brief description of the drawings
Fig. 1 is the schematic diagram according to the material copyrolysis reaction system of the utility model some embodiments；
Fig. 2 is the schematic diagram according to the pyrolysis reactor of the utility model some embodiments；
Fig. 3 is the schematic diagram according to the helical blade of the utility model some embodiments.
Reference：
Material copyrolysis reaction system 100；
First drier 1；Second drier 2；Pyrolysis reactor 3；Burner hearth 31；Upper furnace 311；Enterprising material mouth a；Upper oil gas
Export b；Lower hearth 312；Lower charging aperture c；Lower oil gas vent d；Slag-drip opening e；Heater 32；Batch mixer 33；Motor 331；Spiral
Axle 332；Helical blade 333；
First feed arrangement 4；Second feed arrangement 5；3rd feed arrangement 6；
Gas-solid separating device 7；First cyclone separator 71；First dust removal port m；Second cyclone separator 72；Second dedusting
Mouth n；
Collection device 8；Cooling device 9；Oil export f；Gas vent g；Aspirator 10；Fractionating column 11；Holding vessel 12；The
One hopper 13；Second hopper 14.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings.Below by
The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that new to this practicality
The limitation of type.
In description of the present utility model, it is to be understood that term " on ", " under ", "left", "right", " level ",
" top ", " bottom ", " interior ", " outer ", etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, be only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
Material copyrolysis reaction system 100 below with reference to Fig. 1-Fig. 3 descriptions according to the utility model embodiment.
As shown in figure 1, according to the material copyrolysis reaction system 100 of the utility model embodiment, can include：First is dry
Dry device 1, the second drier 2, pyrolysis reactor 3, gas-solid separating device 7, collection device 8 and cooling device 9.
Specifically, the first drier 1 can be used for lignite is dried.For example, the lignite raw coal of collection can be placed in brokenly
Crush in crushing device, then screened by screening plant, the lignite after screening is carried out in the first drier 1 followed by flue gas
Dry.And for example, the lignite raw coal of collection can recycle the first drier 1 to brown after sieving approach device crushes and screens
Coal is dried.Alternatively, crush screening after lignite granularity≤6mm, moisture content≤35%, dried lignite it is aqueous
Rate≤10%.
Second drier 2 can be used for oil shale is dried.For example, collection oil shale raw material can be placed in it is broken
Crush in device, then screened by screening plant, then oil shale is dried using flue gas in the second drier 2.Again
Such as, the oil shale raw material of collection can recycle the second drier 2 to oily page after the broken and screening of sieving approach device
Rock is dried.Alternatively, the oil shale granularity crushed after screening is 0-3mm, moisture content≤25%, dried oil shale
Moisture content≤10%.
Specifically, as depicted in figs. 1 and 2, pyrolysis reactor 3 (such as down-flow fluidized bed using ECT pyrolysis reactor 3) can include burner hearth
31st, heater 32 and batch mixer 33.Wherein, burner hearth 31 includes upper furnace 311 and lower hearth 312.
The side wall of upper furnace 311 is provided with enterprising material mouth a and upper oil gas vent b, enterprising material mouth a and the first drier 1
The first feed arrangement 4 (such as feeding screw) is provided between outlet, thus, 1 dried lignite of the first drier can be
Entered under the conveying of one feed arrangement 4 from enterprising material mouth a in upper furnace 311, heater 32 can be used for entering upper furnace
Lignite in 311 is heated to be pyrolyzed lignite.
Alternatively, heater 32 is multiple, such as multiple heaters 32 are uniformly arranged in upper furnace 311.Preferably, often
Individual heater 32 is heat accumulation type radiant tube heater.It is understood that the radiant tube of heat accumulation type radiant tube heater is positioned at upper
In burner hearth 311, the tube wall temperature of radiant tube can utilize gas control valve to control.Preferably, the tube wall temperature of radiant tube can fire
Control is in the range of 950~1000 DEG C under the control of gas regulating valve.Thus, heating effect is good, is advantageous to improve in upper furnace 311
The uniformity of temperature.It should be noted that the structure and operation principle on heat accumulation type radiant tube heater 32 are by ability
Known to field technique personnel, no longer describe in detail herein.
Upper furnace 311 is located at the top of lower hearth 312 and connected with lower hearth 312.That is, lower hearth 312 is located at
The lower section of upper furnace 311 and connected with upper furnace 311.Thus, the lignite in upper furnace 311 is caused hot after pyrolytic reaction
Organic carbon can be fallen in lower hearth 312 from upper furnace 311.
The side wall of lower hearth 312 is provided with lower charging aperture c, lower oil gas vent d and slag-drip opening e, and lower charging aperture c and second is dry
The second feed arrangement 5 (such as feeding screw), thus, 2 dried oily page of the second drier are provided between the outlet of dry device 2
Charging aperture c is entered in lower hearth 312 under rock can pass through under the conveying of the second feed arrangement 5.
Batch mixer 33 is fixed to lower hearth 312, for example, batch mixer 33 is fixed in bottom wall or the side wall of lower hearth 312.It is mixed
The batch mixing part of material machine 33 is located in lower hearth 312, so, from upper furnace 311 fall to lower hearth 312 hot organic carbon and
The oil shale in lower hearth 312 is entered from lower charging aperture c to be sufficiently mixed under the stirring of the batch mixing part of batch mixer 33,
So as to which oil shale can be pyrolyzed using the sensible heat of hot organic carbon, without external heat source.
Gas-solid separating device 7 is connected what is discharged to receive from pyrolysis reactor 3 with upper oil gas vent b and lower oil gas vent d
Mixed gas is simultaneously separated to obtain dust semicoke and oil gas to mixed gas.That is, after being pyrolyzed in pyrolysis reactor 3
Oil gas and the mixing such as dust semicoke after the mixed gas that is formed can enter gas-solid from upper oil gas vent b and lower oil gas vent d
Gas solid separation is carried out in separator 7, so as to isolate dust semicoke and oil gas.
Herein it should be noted that because the side wall of upper furnace 311 is provided with upper oil gas vent b, the side wall of lower hearth 312
Lower oil gas vent d is provided with, and upper furnace 311 connects with lower hearth 312, therefore, the oil in upper furnace 311 after lignite pyrolysis
The mixed gas that gas and dust semicoke are formed from upper oil gas vent b while entering in gas-solid separating device 7, it is also possible to has
Portion gas is entered in gas-solid separating device 7 from lower oil gas vent d.Similarly, the oil gas in lower hearth 312 after oil shale pyrolysis
The mixed gas formed with dust semicoke from lower oil gas vent d while entering in gas-solid separating device 7, it is also possible to has portion
Gas is divided to be entered from upper oil gas vent b in gas-solid separating device 7.
Alternatively, upper oil gas vent b could be arranged to multiple, each upper oil gas vent b with the phase of gas-solid separating device 7
Even, consequently facilitating the mixed gas in pyrolysis reactor 3 is more entered in gas-solid separating device 7, shorten mixed gas and exist
Residence time in pyrolysis reactor 3, avoid the second pyrolysis of the tar in mixed gas.
Dust removal port m, n of the import of collection device 8 respectively with slag-drip opening e and gas-solid separating device 7 is connected, consequently facilitating hot
Pyrolysis char after being pyrolyzed in solution reactor 3 is drained into by slag-drip opening e in collection device 8 and gas-solid separating device 7 separates
The dust semicoke gone out is drained into collection device 8 by dust removal port m, n, to be stored in collection device 8.
Cooling device 9 is connected with the gas outlet of gas-solid separating device 7 to enter to the oil gas isolated from gas-solid separating device 7
Row is cooled down to isolate pyrolysis gas and tar.For example, cooling device 9 is water-cooling apparatus 9, i.e. following using water-cooling apparatus 9
Ring cooling water cools down to oil gas.It is, of course, understood that cooling device 9 can also be oil cooler 9.Need herein
It is noted that the concrete structure on cooling device 9, known to those skilled in the art, no longer describe in detail herein.
According to the material copyrolysis reaction system 100 of the utility model embodiment, by setting the first drier 1, second
Drier 2 and pyrolysis reactor 3, and the first feed arrangement 4 is set between the outlet of enterprising material mouth a and the first drier 1,
Second feed arrangement 5 is set between the outlet of lower charging aperture c and the second drier 2, so as to which dried lignite can enter first
Expect to enter in upper furnace 311 under the conveying of device 4 and be pyrolyzed, dried oil shale can be in the defeated of the second feed arrangement 5
Send down and enter in lower hearth 312, the top of lower hearth 312 is located at due to upper furnace 311 and connected with lower hearth 312, so,
Caused hot organic carbon can be fallen into lower hearth 312 after lignite is pyrolyzed in upper furnace 311, so as in lower hearth 312
Oil shale can be sufficiently mixed with hot organic carbon under the stirring of batch mixer 33 and be carried out using the sensible heat of hot organic carbon itself
Pyrolysis, without external heat source, system energy consumption is substantially reduced, and the structure of material copyrolysis reaction system 100 is simple, is easy to tie up
Repair, while pyrolytic process is simple, reduces operating cost, improves the quality and calorific value of pyrolysis oil gas.
In some optional embodiments of the present utility model, as shown in figure 1, in the first drier 1 and the first charging dress
It is provided with the first hopper 13 between putting 4, the outlet that 1 dried lignite of the first drier can pass through the first drier 1 enter the
In one hopper 13 and it is temporarily stored within the first hopper 13, work of the lignite in subsequent first hopper 13 in the first feed arrangement 4
It can be delivered under in upper furnace 311 to wait to be pyrolyzed.
Alternatively, as shown in figure 1, being provided with the second hopper 14 between the second drier 2 and the second feed arrangement 5, second
The outlet that 2 dried oil shale of drier can pass through the second drier 2 enter in the second hopper 14 and be temporarily stored within the
In two hoppers 14, the oil shale in subsequent second hopper 14 can be delivered in lower hearth 312 in the presence of the second feed arrangement 5
To wait to be pyrolyzed.
According to some optional embodiments of the present utility model, the central axis of upper furnace 311 and the center of lower hearth 312
Axis is not parallel, for example, as depicted in figs. 1 and 2, the bearing of trend of the central axis of upper furnace 311 is above-below direction, lower hearth
The bearing of trend of 312 central axis tilts with respect to above-below direction, so, is advantageous to extension lignite and stops in upper furnace 311
The time is stayed, the product reduced after lignite pyrolysis is fall off rate of the hot organic carbon from upper furnace 311, is advantageously implemented lignite
Pyrolysis completely, improve pyrolysis rate.Preferably, the span of the angle between the central axis and horizontal plane of lower hearth 311 is
10°-60°。
According to some embodiments of the utility model, as shown in figure 1, being provided with aspirator 10 at lower oil gas vent d, aspirate
Device 10 is used to the mixed gas in pyrolysis reactor 3 being evacuated to gas-solid separating device 7, thus, is advantageous in pyrolysis reactor 3
Mixed gas be discharged into gas-solid separating device 7 within the shorter time (for example, 1 second), so as to which the quick of mixed gas can be realized
Export, and then the second pyrolysis of tar in mixed gas is inhibited, be advantageous to improve the product for the tar that cooling device 9 is isolated
Matter.
In some specific examples, aspirator 10 is pumping umbrella, and thus, suction effect is good.Those skilled in the art can
To understand the concrete structure and operation principle of pumping umbrella, no longer illustrate herein.
Alternatively, pyrolysis reactor 3 also includes oil gas general export, one end of oil gas general export simultaneously with upper oil gas vent b
It is connected with lower oil gas vent d, the other end of oil gas general export is connected with gas-solid separating device 7, so that from upper oil gas vent b with
The mixed gas that oil gas vent d is discharged respectively, it can be entered simultaneously by oil gas general export in gas-solid separating device 7.
According to some embodiments of the utility model, as shown in figure 1, gas-solid separating device 7 includes the first cyclone separator
71 and second cyclone separator 72, the first cyclone separator 71 be connected with upper oil gas vent b and lower oil gas vent d with to gaseous mixture
Body carries out first time gas solid separation, and the second cyclone separator 72 is connected with to gaseous mixture with the gas outlet of the first cyclone separator 71
Body carries out second of gas solid separation.Specifically, the mixed gas discharged from pyrolysis reactor 3 can be first into the first whirlwind
In separator 71, mixed gas carries out first time gas solid separation to obtain dust semicoke and containing few in the first cyclone separator 71
The dusty gas of dust semicoke is measured, dust semicoke is discharged into collection device 8 from the first dust removal port m of the first cyclone separator 71, contained
The dusty gas of a small amount of dust semicoke then flowed to from the gas outlet of the first cyclone separator 71 in the second cyclone separator 72 and
Second of gas solid separation is realized in second cyclone separator 72 to obtain dust semicoke and oil gas, in the second cyclone separator 72
The second dust removal port n that dust semicoke can pass through the second cyclone separator 72 is discharged into collection device 8, and oil gas is then by the second whirlwind point
Gas outlet from device 72 is discharged into cooling device 9.Thus, the He of the first cyclone separator 71 is included by gas-solid separating device 7
Second cyclone separator 72, it can be achieved to the gas solid separation twice of mixed gas, so as to effectively by dust semicoke from gaseous mixture
Separated in body, be advantageous to improve the yield of dust semicoke, while the largely low dust semicoke reduced in oil gas
Amount.
In some optional embodiments of the present utility model, pass through the 3rd between the import of slag-drip opening e and collection device 8
Feed arrangement 6 is connected, and thus, is advantageous to improve the deslagging speed of pyrolysis reactor 3.Alternatively, the 3rd feed arrangement 6 is spiral
Feeder, deslagging speed is uniform, and effect is good.
According to some embodiments of the utility model, the first drier 1 is riser drier, and the second drier 2 is back
Rotary kiln drier, thus, be advantageous to optimize the space layout of material copyrolysis reaction system 100, while reduce material copyrolysis
The volume of reaction system 100.
According to some embodiments of the utility model, material copyrolysis reaction system 100 also includes fractionating column 11, fractionating column
11 import is connected with the oil export f of cooling device 9 to receive the tar from the discharge of cooling device 9 and tar is fractionated.
That is, oil gas may separate out tar and pyrolysis gas under the cooling of cooling device 9.Wherein, the tar isolated can pass through
Oil export f is entered in fractionating column 11 and is fractionated in fractionating column 11, so as to fractionate out the different cut such as gasoline, diesel oil.
Alternatively, material copyrolysis reaction system 100 also includes holding vessel 12, import and the cooling device 9 of holding vessel 12
Gas vent g be connected, the pyrolysis gas that cooling device 9 is isolated can pass through holding vessel 12 import enter holding vessel 12 in and store up
Exist in holding vessel 12.
In some optional embodiments of the present utility model, upper furnace 311 and the lower hearth 312 of pyrolysis reactor 3
Length ratio is 1:1~3:2 (preferably 1:1).
In some instances, as shown in Figures 2 and 3, according to the batch mixer 33 of the utility model embodiment, electricity can be included
Machine 331, helical axis 332 and helical blade 333.Wherein, motor 331 is located at the exterior bottom wall of lower hearth 312, helical axis 332
One end is connected with motor 331 and the other end is stretched into lower hearth 312, and helical blade 333 is fixed on helical axis 332.Pass through electricity
Machine 331 drives helical axis 332 to rotate, and the rotation of helical axis 332 can drive helical blade 333 to rotate, so as to pass through helical axis 332
Rotation with helical blade 333 to realize the stirring of the oil shale being pointed in lower hearth 312 and hot organic carbon, so as to by it
Be sufficiently mixed.
Alternatively, helical blade 333 is multiple (for example, five shown in Fig. 2), and multiple helical blades 333 are in spiral
Uniform intervals are set in the axial direction of axle 332.Thus, be advantageous to improve mixing effect.Specifically, helical blade 333 is a diameter of
0.5-0.7 times of lower hearth width, preferably 0.6 times.
Alternatively, the rotating speed of helical axis 332 is 30-60r/min, it is preferable that rotating speed 45r/min.
Specifically, the length of helical axis 332 is 0.8-1.0 times, preferably 0.9 times of lower hearth length.Helical axis 332
Hinged joint shape is shaped as, so that hot organic carbon uniformly mixes with oil shale, fully conducted heat, and then makes pyrolysis more abundant.
In some specific examples of the present utility model, as depicted in figs. 1 and 2, the extension of the central axis of upper furnace 311
Direction is above-below direction, the bearing of trend of the central axis of lower hearth 312 and the bearing of trend phase of the central axis of upper furnace 311
Hand over, the central axis of helical axis 332 is coaxial with the central axis of lower hearth 312, and helical axis 332 has certain gradient, spiral shell
The central axis of spin axis 332 and the angle of horizontal direction are 10 °~60 ° (preferably 20 °).So be advantageous to control hot organic carbon
Capacity of the oil shale newly added in lower hearth 312.
Preferably, the filling rate of hot organic carbon and the oil shale that newly adds in lower hearth 312 for 50%~80% it
Between.Thus, the useful space can be provided for the discharge of pyrolysis devolatilization product.Herein it is to be understood that filling rate is：It is hot to have
The ratio between the capacity of machine carbon and the oil shale that newly adds in lower hearth 312 and volume of lower hearth 312.
Utility model people in practical study, using the material copyrolysis reaction system 100 of above-described embodiment to lignite and
Oil shale is pyrolyzed.Wherein, lignite is heated to 950~1000 DEG C in upper furnace 311, stops 6s-9s from top to bottom and is
It can complete to be pyrolyzed, oil shale is heated to 400-600 DEG C, and stopping 5-10s can complete to be pyrolyzed.
Material copyrolysis reaction system 100 carries out the basic data of pyrolysis feed to lignite and oil shale and material balance is shown in
Table 1- tables 2.
Table 1：Brown Coal is analyzed
Table 2：Oil shale basic data
Treating capacity is the material copyrolysis reaction system 100 of 1,000,000 tons/year of oil shales, and system energy consumption reduces 10-
15%, obtained tar yield is 9.1%, and aluminium rice steamer oil content has reached 93%.
The method for pyrolysis of the material copyrolysis reaction system 100 of the utility model embodiment is described in detail below,
Wherein material copyrolysis reaction system 100 is pyrolyzed using the method for pyrolysis.
Comprised the following steps according to the method for pyrolysis of the material copyrolysis reaction system 100 of the utility model embodiment：
S1：Lignite is dried using first drier 1, oil shale carried out using second drier 2
Dry；
S2：Dried lignite is inputted in the upper furnace 311 using first feed arrangement 4 and be pyrolyzed simultaneously profit
The mixed gas discharged from the pyrolysis reactor 3 is received with the gas-solid separating device 7, utilizes second feed arrangement 5
Dried oil shale is inputted into the lower hearth 312；
S3：The oil shale for entering the lower hearth 312 hot is had with caused in step S1 using the batch mixer 33
Machine carbon is mixed to be pyrolyzed oil shale, enters promoting the circulation of qi to the mixed gas discharged from pyrolysis reactor 3 using gas-solid separating device 7
Gu separation, collected from the pyrolysis chars of slag-drip opening e discharges using collection device 8 and isolated from gas-solid separating device 7
Dust semicoke；
S4：The oil gas isolated from the gas-solid separating device 7 is cooled down using cooling device 9 to isolate pyrolysis gas and Jiao
Oil.
According to the method for pyrolysis of the material copyrolysis reaction system of the utility model embodiment, by using above-mentioned material
Copyrolysis reaction system, caused hot organic carbon can fall into lower hearth 312 after such lignite is pyrolyzed in upper furnace 311
It is interior, so as to which the oil shale in lower hearth 312 can be sufficiently mixed with hot organic carbon under the stirring of batch mixer 33 and utilize hot
The sensible heat of organic carbon itself is pyrolyzed, and without external heat source, substantially reduces system energy consumption, and material copyrolysis reaction system
The structure of system 100 is simple, is easy to repair, while pyrolytic process is simple, reduces operating cost, improves the quality of pyrolysis oil gas
And calorific value.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect or can communicate each other；Can be joined directly together, the indirect phase of intermediary can also be passed through
Even, can be two element internals connection or two elements interaction relationship, limited unless otherwise clear and definite.For this
For the those of ordinary skill in field, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff the different embodiments or example and the feature of different embodiments or example described in this specification can be entered
Row combines and combination.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (9)
- A kind of 1. material copyrolysis reaction system, it is characterised in that including：The first drier for drying brown coal；For drying the second drier of oil shale；Pyrolysis reactor, the pyrolysis reactor include：Burner hearth, the burner hearth include upper furnace and lower hearth, the upper furnace be located at the top of the lower hearth and with it is described under Burner hearth connects, and the side wall of the upper furnace is provided with enterprising material mouth and upper oil gas vent, the enterprising material mouth and described first dry The first feed arrangement is provided between the outlet of dry device, the side wall of the lower hearth is provided with lower charging aperture, lower oil gas vent and row Cinder notch, the second feed arrangement is provided between the outlet of the lower charging aperture and second drier；For the heater heated to the lignite in the upper furnace；Batch mixer, the batch mixer is fixed to the lower hearth and the batch mixing part of the batch mixer is located in the lower hearth；Gas-solid separating device, the gas-solid separating device are connected with the upper oil gas vent and the lower oil gas vent；Collection device, the import of the collection device dust removal port phase with the slag-drip opening and the gas-solid separating device respectively Even；Cooling device, the cooling device are connected with the gas outlet of the gas-solid separating device.
- 2. material copyrolysis reaction system according to claim 1, it is characterised in that be provided with and take out at the lower oil gas vent Device is inhaled, the aspirator is used to the mixed gas in the pyrolysis reactor being evacuated to the gas-solid separating device.
- 3. material copyrolysis reaction system according to claim 1, it is characterised in that the gas-solid separating device includes the One cyclone separator and the second cyclone separator, first cyclone separator and the upper oil gas vent and lower oil gas vent phase Even with to mixed gas progress first time gas solid separation, second cyclone separator and first cyclone separator Outlet is connected.
- 4. material copyrolysis reaction system according to claim 1, it is characterised in that the slag-drip opening and described collect fill It is connected between the import put by the 3rd feed arrangement.
- 5. material copyrolysis reaction system according to claim 1, it is characterised in that first feed arrangement and described Second feed arrangement is feeding screw.
- 6. material copyrolysis reaction system according to claim 1, it is characterised in that the heater is multiple, each The heater is the heat accumulation type radiant tube heater being located in the upper furnace.
- 7. material copyrolysis reaction system according to claim 1, it is characterised in that also including fractionating column, the fractionation The import of tower is connected with the oil export of the cooling device.
- 8. material copyrolysis reaction system according to claim 1, it is characterised in that the central axis of the lower hearth with The span of angle is 10 ° -60 ° between horizontal plane.
- 9. material copyrolysis reaction system according to claim 1, it is characterised in that the length of the upper furnace with it is described The length of lower hearth than span be 1:1~3:2.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107189799A (en) * | 2017-06-26 | 2017-09-22 | 北京神雾电力科技有限公司 | Material copyrolysis reaction system and method for pyrolysis |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107189799A (en) * | 2017-06-26 | 2017-09-22 | 北京神雾电力科技有限公司 | Material copyrolysis reaction system and method for pyrolysis |
| CN107189799B (en) * | 2017-06-26 | 2024-04-12 | 北京恒丰亚业科技发展有限公司 | Material co-pyrolysis reaction system and pyrolysis method |
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